Q1): The cable stays AB and AD help support pole AC. Knowing that the tension is120 lb in AB and 40 lb in AD. Determine the magnitude and the direction of theresultant of the forces exerted by the stays at A.10 tsit-6 itQ2):425A steel tank is to be positioned in an excavation. Knowing thatthe magnitude of P is 500 Ib, determine by trigonometry (a) therequired angle a if the resultant R of the two forces applied at Ais to be vertical, (b) the corresponding magnitude of R.

Apply the triangle rule (α+30°)+β+60°=180°β=90°-α

A steel tank is to be positioned in an excavation. Knowing that the magnitude of P is 500 Ib, determine by trigonometry (a) the required angle a if the resultant R of the two forces applied at A is to be vertical, (b) the corresponding magnitude of R.

A steel tank is to be positioned in an excavation. Knowing that the magnitude of P is 500 Ib, determine by trigonometry (a) the required angle a if the resultant R of the two forces applied at A is to be vertical, (b) the corresponding magnitude of R.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter3: Resultants Of Force Systems

Section: Chapter Questions

Problem 3.17P: The 3200-1b weight is supported by two cables. Knowing that the resultant of the cable tensions T1...

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Question

Q1): The cable stays AB and AD help support pole AC. Knowing that the tension is
120 lb in AB and 40 lb in AD. Determine the magnitude and the direction of the
resultant of the forces exerted by the stays at A.
10 t
sit
-6 it
Q2):
425
A steel tank is to be positioned in an excavation. Knowing that
the magnitude of P is 500 Ib, determine by trigonometry (a) the
required angle a if the resultant R of the two forces applied at A
is to be vertical, (b) the corresponding magnitude of R.

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